Seabrook Beach, NH Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Seabrook Beach, NH

April 28, 2024 11:39 PM EDT (03:39 UTC) Change Location
Sunrise 5:39 AM   Sunset 7:42 PM
Moonrise 12:03 AM   Moonset 8:19 AM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

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Marine Forecasts
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ANZ251 Massachusetts Bay And Ipswich Bay- 1003 Pm Edt Sun Apr 28 2024

Overnight - SW winds 5 to 10 kt, becoming w. Seas around 2 ft. Wave detail: S 2 ft at 3 seconds and E 2 ft at 9 seconds. A slight chance of showers. Patchy fog with vsby 1 nm or less.

Mon - N winds around 10 kt with gusts up to 20 kt, becoming E in the afternoon. Seas around 2 ft. Wave detail: E 2 ft at 9 seconds and nw 1 ft at 3 seconds.

Mon night - S winds around 5 kt, becoming E 10 to 15 kt after midnight. Seas around 2 ft. Wave detail: E 2 ft at 10 seconds.

Tue - E winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave detail: ne 2 ft at 8 seconds and se 1 ft at 4 seconds.

Tue night - SE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave detail: E 2 ft at 9 seconds and se 1 ft at 4 seconds. A chance of showers after midnight.

Wed - E winds around 10 kt. Seas around 2 ft. Wave detail: E 2 ft at 3 seconds and E 2 ft at 7 seconds. Showers likely in the morning.

Wed night - E winds 5 to 10 kt, becoming N after midnight. Seas around 2 ft.

Thu through Fri night - SE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.

ANZ200 1003 Pm Edt Sun Apr 28 2024

Synopsis for massachusetts and rhode island coastal waters - A cold front will drop south across northern new eng tonight and move into the waters Monday, then stall to the west Mon night and Tue. Low pres tracks south of new eng Tue night into Wed, then high pres will follow for Thu and Fri.


7 Day Forecast for Marine Location Near Seabrook Beach, NH
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Area Discussion for - Gray/Portland, ME
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FXUS61 KGYX 290300 AFDGYX

Area Forecast Discussion National Weather Service Gray ME 1100 PM EDT Sun Apr 28 2024

SYNOPSIS
A cold front drops south through the area this evening bringing a round of showers with embedded thunder. High pressure builds in Monday for fair weather. A frontal system approaches from the west Tuesday bringing showers into Wednesday. Ridging builds over the eastern US during the second half of the week, although disturbances moving over the ridge will bring chances for showers at times into the weekend.

NEAR TERM /OVERNIGHT/
1100 PM Update...Another round of minor updates, mainly to pull the forecast toward radar trends. Scattered showers are quickly dwindling as drier air begins to intrude from the northwest.
Meanwhile, some fog is forming in the subsidence behind crossing front and ahead of the main push of cooler drier air.

710 PM Update... Tricky PoP forecast with no model accurately depicting the current areas of showers... so swapped forecast wording to coverage-based (scattered showers), except where showers were likely based on latest radar trends. Otherwise, very little change to the going forecast.

Previously...
Mostly clear skies across southern New Hampshire has allowed for temperatures to rise into the low 70s while much of Maine remains overcast with temperatures in the 50s. A cold front is pressing southward through northern VT and northern NH and this front will bring chances for showers and isolated thunder through this evening. Instability is lacking with the only notable effect of convection being some brief heavier rainfall rates. Models have generally struggled with timing and placement of showers and thunder thus far, with the current forecast bringing the best chance for thunder across NH in SW Maine.

Showers will end around midnight and with recent rainfall coupled with a period of light winds and subsidence behind the front there is potential for patchy fog. NW winds will start to increase during the pre-dawn hours that will help to mix out any patchy fog. Lows will range from near 40 degrees across the north to mid 40s across the rest of Maine to the mid 50s across southern NH.

SHORT TERM /MONDAY THROUGH MONDAY NIGHT/
Monday is shaping up to be a nice day as high pressure builds in from the north. Steady north winds will help keep a sea breeze from advecting cooler air into the coast with highs climbing into the mid 60s for much of the area south of the mountains and pushing low 70s in southern NH. Across the far north highs will be near 60 degrees.

Mostly clear skies and drier air moving in for Monday night will allow for lows into the low 30s across north eastern zones.
Farther south and west lows will range from the upper 30s to upper 40s.

LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/
Summary:

*More seasonable temperatures on Tuesday and Wednesday, with showers moving through in the Tues-Wednesday morning timeframe. Accumulations will be light.

*Tranquil Wednesday and Thursday with warmer temps returning on Thursday and possibly more unsettled weather returning for the Fri- Sun time frame.

Discussion:

A remnant mid-latitude cyclone over the Great Lakes could bring some showers to the region Tuesday afternoon through daybreak Wednesday. Weak high pressure and a building ridge follow suit, bringing a pleasant but much warmer Thursday. Clouds increase overnight Thursday into Friday as more unsettled weather enters the region. High temperatures Friday will be similar to Thursdays, maybe a touch cooler in more showery locations.
Showers could continue through much of the day Saturday as well.

AVIATION /03Z MONDAY THROUGH FRIDAY/
Short Term...An area of showers with embedded thunder across northern VT and northern NH will track SSE this evening bringing the potential for a couple hours of MVFR conditions in lowering cigs and reduced VSBY. There remains a low chance (<20%) for some thunder, while confidence is not yet high enough to put in the TAF. Showers end around 05Z with additional potential for MVFR as patchy fog may form before northerly winds help mix out low level moisture around 10Z. Thereafter VFR likely prevails Monday through Monday night.

Long Term...
Showers are likely Tuesday through Wednesday morning, with some occasional MVFR CIGS expected. No notable restrictions expected on Wednesday and Thursday, but occasional periods of MVFR CIGs may return Thursday night and Friday as more showers move through the area.

MARINE
Short Term...A front drops south into the waters this evening bring scattered showers with embedded thunder. Winds and seas will remain below SCA thresholds tonight through Monday night with light northerly winds developing during the pre-dawn hours Monday behind the front.

Long Term...
Some showers are expected Tuesday with winds up to 15kts in the morning, but gradually simmering through the day.
Seas of 2-3 ft expected through the rest of this week. No SCA issuance expected. Light and variable winds are expected on Wednesday, with light southerly winds on Thursday.

GYX WATCHES/WARNINGS/ADVISORIES
ME...None.
NH...None.
MARINE...None.




Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
IOSN3 - Isle of Shoals, NH 9 mi39 min NNE 4.1G5.1 48°F 29.9245°F
SEIM1 19 mi51 min 51°F 48°F29.9551°F
BGXN3 - Great Bay Reserve, NH 20 mi54 min 0 50°F 29.9548°F
44029 - Buoy A0102 - Mass. Bay/Stellwagen 21 mi95 min S 7.8G9.7 49°F 47°F3 ft29.95
44098 - Jeffrey's Ledge, NH (160) 23 mi43 min 47°F3 ft
44030 - Buoy B0102 - Western Maine Shelf 26 mi95 min NNE 1.9G3.9 46°F 46°F3 ft29.94
44013 - BOSTON 16 NM East of Boston, MA 34 mi39 min SW 7.8G9.7 52°F 47°F29.9450°F
WEXM1 - Wells Reserve, ME 35 mi39 min N 2.9 49°F 47°F
BHBM3 - 8443970 - Boston, MA 40 mi51 min 64°F 29.93


Wind History for No Ports station near this location
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No data


Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KPSM PORTSMOUTH INTL AT PEASE,NH 21 sm44 minWNW 0310 smOvercast52°F50°F94%29.93
KBVY BEVERLY RGNL,MA 24 sm46 mincalm10 smClear55°F48°F77%29.92
Link to 5 minute data for KPSM


Wind History from PSM
(wind in knots)
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Tide / Current for Gosport Harbor, Isles of Shoals, New Hampshire
   
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Gosport Harbor
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Sun -- 12:03 AM EDT     Moonrise
Sun -- 02:18 AM EDT     9.03 feet High Tide
Sun -- 05:39 AM EDT     Sunrise
Sun -- 08:19 AM EDT     Moonset
Sun -- 08:41 AM EDT     0.22 feet Low Tide
Sun -- 03:01 PM EDT     7.81 feet High Tide
Sun -- 07:40 PM EDT     Sunset
Sun -- 08:48 PM EDT     1.35 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Gosport Harbor, Isles of Shoals, New Hampshire, Tide feet
12
am
6.6
1
am
8.2
2
am
9
3
am
8.8
4
am
7.7
5
am
5.9
6
am
3.7
7
am
1.7
8
am
0.5
9
am
0.3
10
am
1
11
am
2.4
12
pm
4.3
1
pm
6.1
2
pm
7.4
3
pm
7.8
4
pm
7.4
5
pm
6.3
6
pm
4.7
7
pm
2.9
8
pm
1.7
9
pm
1.4
10
pm
2
11
pm
3.4



Tide / Current for Newburyport (Merrimack River), Massachusetts Current
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Newburyport (Merrimack River)
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Sun -- 12:02 AM EDT     1.38 knots Max Flood
Sun -- 12:04 AM EDT     Moonrise
Sun -- 03:45 AM EDT     -0.00 knots Slack
Sun -- 05:41 AM EDT     Sunrise
Sun -- 06:18 AM EDT     -1.48 knots Max Ebb
Sun -- 08:20 AM EDT     Moonset
Sun -- 10:08 AM EDT     0.00 knots Slack
Sun -- 12:35 PM EDT     1.24 knots Max Flood
Sun -- 04:15 PM EDT     -0.00 knots Slack
Sun -- 06:37 PM EDT     -1.25 knots Max Ebb
Sun -- 07:41 PM EDT     Sunset
Sun -- 10:08 PM EDT     0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Newburyport (Merrimack River), Massachusetts Current, knots
12
am
1.4
1
am
1.3
2
am
1.2
3
am
0.7
4
am
-0.2
5
am
-1.1
6
am
-1.5
7
am
-1.4
8
am
-1
9
am
-0.6
10
am
-0.1
11
am
0.7
12
pm
1.2
1
pm
1.2
2
pm
1.2
3
pm
1
4
pm
0.2
5
pm
-0.6
6
pm
-1.2
7
pm
-1.2
8
pm
-0.9
9
pm
-0.4
10
pm
-0.1
11
pm
0.5




Weather Map
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Portland, ME,



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